Across
- 4. what you produce when you breath
- 6. you may recieve this as a reward
- 8. used to build buildings
- 10. used in medicine
- 11. used in cleaning materials
- 15. used in thermometers
- 17. what we use to write
- 19. used for nuclour power
- 20. what we breath
- 21. can make you rich
- 22. it's in our body
Down
- 1. used in most foods
- 2. used in radiotherapy
- 3. what we store in sometimes
- 5. used to conseal food
- 7. the lighest know metal
- 9. what we use to make spoons
- 12. what we drink everday
- 13. what we eat in cereal
- 14. what we put in ballons
- 16. makes pennys
- 18. used in salt